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- Seeding production technology of Ulmus densa by high-stem grafting 圆冠榆高接育苗技术
- Ulmus densan. 圆冠榆
- Technology of Grafting Ulmus pumila var, pendula Rehd. 垂榆嫁接技术。
- Egeria densa Planch often grows in ditches, ponds, and rice paddies. 常生长于沟渠、池塘、稻田等环境。
- Experiment on Grafting and Planting of Ulmus pumila var. Pendula Rehd. 垂榆嫁接及栽植的试验研究。
- A Preliminary Study on the Mathematic Model of Leaf Area of Ulmus pumila Linn. 与相似的文献。
- Experiments were conducted on parenchyma cells of Egeria densa acclimated to two different lighting conditions. 以接受两种不同光照条件的水蕴草薄壁组织细胞进行实验。
- An elm tree(Ulmus alata) of the southeast United States,having twigs with winged,corky edges. 翅榆一种美国东南部榆树（翼枝长序榆榆属），具有有翼和软木质的小枝
- Preliminary analysis on genetics of phenotype measuration of plus tree of Ulmus pumita Linn. 白榆优树表型测定的遗传学初步分析。
- A Study on the Distant Hybridization between Populus alba Linn. And Ulmus pumila Linn. 银白杨与白榆远缘杂交的研究。
- The mechanism in control of renin synthesis is independent of the macula densa, but the latter is critical in control of renin secretion. 肾素合成的调节可独立于致密斑，但后者对肾素分泌起重要调节作用。
- When Urochela quadrinotata Reuter harms Ulmus pumila,the spread of disease will take a turn for the worse. 红足壮异蝽的危害能加重病害的流行和扩展。
- Otherwise, the phenology phases of ulmus pumila are not significantly related to precipitation and sunshine duration. 研究表明，榆树物候与降水、日照关系不显著。
- Title： Effect of salt stress on activity of superoxide dismutase (SOD) in Ulmus pumila L. 关键词：白榆;盐胁迫;电解质相对外渗率;超氧物歧化酶
- The main plant are Ulmus pumila and Celtis bengeana community, Acer mono and Quercus mongolica community. 天然残存林植被，主要为榆树、小叶朴群落和色木、蒙古柞群落。
- Among them, Bidens pilosa var. radiate and Egeria densa were found to be the dominant species with broadest habitat ranges in terrestrial and aquatic environments, respectively. 其中，大花咸丰草是兰阳平原入侵范围最广泛的陆生物种，水蕴草则是流动水体系统中最具威胁者，两者在台湾的驻在时间短，但入侵能力极强。
- An elm tree(Ulmus alata) of the southeast United States, having twigs with winged, corky edges. 翅榆一种美国东南部榆树（翼枝长序榆榆属），具有有翼和软木质的小枝
- Glycogen densa in the cells of the uterine gland appeared at the base or at the area above the nucleus, this features indicated that these cells stayed in early secretory stage. 子宫腺细胞基底及核上区有糖原斑，为动情晚期形态。
- Title： Preliminary analysis on genetics of phenotype measuration of plus tree of Ulmus pumita Linn. 关键词：白榆;优树;遗传参数;通径分析;直接影响;间接影响
- Ivela ochropoda is one of the main defoliator pest occurred in Ulmus pumila, and is very serious in Wuqi County. 摘要榆毒蛾是榆树的食叶害虫之一，在吴起县发生严重。
